參數(shù)資料
型號: MAX522EPA
廠商: MAXIM INTEGRATED PRODUCTS INC
元件分類: DAC
英文描述: Triple Low-Power Drivers And Receivers 16-SOIC -40 to 85
中文描述: DUAL, SERIAL INPUT LOADING, 70 us SETTLING TIME, 8-BIT DAC, PDIP8
封裝: 0.300 INCH, PLASTIC, DIP-8
文件頁數(shù): 8/12頁
文件大?。?/td> 116K
代理商: MAX522EPA
M
Dual, 8-Bit, Voltage-Output
S erial DAC in 8-Pin S O Pac kage
8
_______________________________________________________________________________________
Figure 1. DAC Simplified Circuit Diagram
2R
2R
2R
2R
2R
R
R
R
REF
GND
OUT
SHOWN FOR ALL 1s ON DAC
Table 1. Input Shift Register
*
*
Clocked in last.
**Clocked in first.
Uncommitted Bit 1
UB1**
Uncommitted Bit 2
UB2
Uncommitted Bit 3
UB3
Shut Down DAC B, Active High
SB
Shut Down DAC A, Active High
SA
Uncommitted Bit 4
UB4
Load Reg DAC B, Active High
LB
Load Reg DAC A, Active High
LA
DAC Data Bit 7 (MSB)
B7
DAC Data Bit 6
B6
DAC Data Bit 5
B5
DAC Data Bit 4
B4
DAC Data Bit 3
B3
DAC Data Bit 2
B2
DAC Data Bit 1
B1
DAC Data Bit 0 (LSB)
B0*
D
C
An active-low chip select (–—) enables the shift register
to receive data from the serial data input. Data is
clocked into the shift register on every rising edge of
the serial clock signal (SCLK). The clock frequency can
be as high as 5MHz.
Data is sent MSB first and can be transmitted in one 16-
kept active (low) to allow, for example, two 8-bit-wide
transfers. After clocking all 16 bits into the input shift
and the shutdown status. Because of their single
buffered structure, DACs cannot be simultaneously
updated to different digital values.
Serial-Input Data Format and Control Codes
Table 2 lists the serial-input data format. The 16-bit
input word consists of an 8-bit control byte and an 8-bit
data byte. The 8-bit control byte is not decoded inter-
nally. Every control bit performs one function. Data is
clocked in starting with UB1 (Uncommitted Bit), fol-
lowed by the remaining control bits and the data byte.
The LSB of the data byte (B0) is the last bit clocked into
the shift register (Figure 2).
Table 3 is an example of a 16-bit input word. It per-
forms the following functions:
80hex (128 decimal) loaded into DAC registers
A and B.
DAC A and DAC B are active.
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MAX522EPA+ 功能描述:數(shù)模轉(zhuǎn)換器- DAC 8-Bit 2Ch Precision DAC RoHS:否 制造商:Texas Instruments 轉(zhuǎn)換器數(shù)量:1 DAC 輸出端數(shù)量:1 轉(zhuǎn)換速率:2 MSPs 分辨率:16 bit 接口類型:QSPI, SPI, Serial (3-Wire, Microwire) 穩(wěn)定時(shí)間:1 us 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-14 封裝:Tube
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MAX522ESA+T 功能描述:數(shù)模轉(zhuǎn)換器- DAC 8-Bit 2Ch Precision DAC RoHS:否 制造商:Texas Instruments 轉(zhuǎn)換器數(shù)量:1 DAC 輸出端數(shù)量:1 轉(zhuǎn)換速率:2 MSPs 分辨率:16 bit 接口類型:QSPI, SPI, Serial (3-Wire, Microwire) 穩(wěn)定時(shí)間:1 us 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-14 封裝:Tube
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